package com.tmpt.utils.fastdfs;

import com.tmpt.dto.Result;
import lombok.extern.slf4j.Slf4j;
import org.apache.log4j.Logger;
import org.csource.common.NameValuePair;
import org.csource.fastdfs.StorageClient;
import org.csource.fastdfs.StorageClient1;
import org.csource.fastdfs.StorageServer;
import org.csource.fastdfs.TrackerServer;
import org.springframework.util.ClassUtils;
import org.springframework.web.multipart.MultipartFile;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;

/**
 * fastDFS文件上传下载工具类
 *
 * @author xx
 * @create 2017-12-21 11:22
 **/
public class Base64Util {
    private Logger log = Logger.getLogger(this.getClass());

    //图片转化成base64字符串
    public  String GetImageStr() {//将图片文件转化为字节数组字符串，并对其进行Base64编码处理
        String imgFile = "D:\\360CloudUI\\tupian\\jt.jpg";//待处理的图片
        InputStream in = null;
        byte[] data = null;
        //读取图片字节数组
        try {
            in = new FileInputStream(imgFile);
            data = new byte[in.available()];
            in.read(data);
            in.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        //对字节数组Base64编码
        BASE64Encoder encoder = new BASE64Encoder();
        return encoder.encode(data);//返回Base64编码过的字节数组字符串
    }

    //base64字符串转化成图片
    public Result GenerateImage(String imgStr) {//对字节数组字符串进行Base64解码并生成图片
        Result result = new Result();
        if (imgStr == null) {//图像数据为空
            log.error("图像数据为空");
            return result.fault();
        }
        BASE64Decoder decoder = new BASE64Decoder();
        try {
            //Base64解码
            byte[] b = decoder.decodeBuffer(imgStr);
            for (int i = 0; i < b.length; ++i) {
                if (b[i] < 0) {//调整异常数据
                    b[i] += 256;
                }
            }
            /*//生成jpeg图片
            System.out.println("生成jpeg图");
            String path = ClassUtils.getDefaultClassLoader().getResource("").getPath();
            String file = new Random().nextInt(99999999)+".jpg";

            String filePath = path + "static/photo/"+file;
            //新生成的图片
            OutputStream out = new FileOutputStream(filePath);
            out.write(b);
            out.flush();
            out.close();*/
            //File file2 = new File(filePath);
            //StorePath storePath = fastFileStorageClient.uploadFile(null, new FileInputStream(file2), file2.length(), "png");
            //System.out.println("成功");
            //return  "服务器地址必填" + storePath.getGroup() + "/" + storePath.getPath();
            String file = new Random().nextInt(99999999)+".png";
            Map<String, Object> resultMap = FastDFSUtil.upload(b,file,"png");

            result.getResultMap().put("fileId",resultMap.get("fileId"));
            result.getResultMap().put("code", resultMap.get("code"));
            result.getResultMap().put("group", resultMap.get("group"));
            result.getResultMap().put("msg", resultMap.get("msg"));

            return result.success();
        } catch (Exception e) {
            log.error("读取头像失败");
            return result.fault();
        }
    }
}
